Air Fryer Vanilla Cake

A small vanilla sponge cake suits the air fryer particularly well: it bakes into a tender, lightly golden round without needing a full-size oven. The style is familiar and simple — a buttery creamed sponge flavoured with vanilla, softened with milk, then finished once cool with a thick layer of vanilla buttercream. Its appeal comes from the soft, springy crumb and clean vanilla flavour rather than decoration or complexity. Serve it as an everyday dessert, afternoon cake or compact celebration bake, with the buttercream kept smooth and spreadable for a neat, classic finish.
Cuisine style American-style home baking
Flavor profile Buttery • Sweet • Vanilla-led
Techniques Creaming butter and sugar • Air frying • Buttercream mixing
Key equipment Air fryer • 18 cm cake tin • Hand mixer
Cooking style Make-ahead friendly • Freezer-friendly
Time commitment Under 1 hour

Why this recipe works

  • Simple cake method: The classic creaming method gives structure and lift without requiring advanced baking techniques.
  • Efficient baking: The air fryer creates steady, compact heat, making it practical for a smaller cake without using a full oven.
  • Soft finish: A smooth vanilla buttercream adds richness and balances the light sponge with a creamy topping.

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Timing notes

  • Cool before icing: Let the cake cool completely before adding buttercream, otherwise the topping can soften and slide.
  • Best serving texture: If chilled, bring the cake back towards room temperature before serving so the crumb and buttercream soften.

Texture tips

  • Cream thoroughly: Beat the butter and caster sugar until noticeably pale and fluffy; this helps create a lighter sponge.
  • Smooth buttercream: Sifting the icing sugar and beating the frosting well gives a lighter colour and smoother finish.
  • Check doneness carefully: Air fryers vary, so check near the end of cooking and stop when the cake is springy and a skewer comes out clean.

Common mistakes

  • Using cold eggs: Room-temperature eggs blend more evenly into the creamed butter and help avoid a heavy batter.
  • Browning too quickly: If the top colours before the centre is done, reduce the air fryer to 150°C (300°F) for the final stage of cooking.
  • Overworking the batter: Fold the flour in just until smooth; excessive mixing can make the sponge denser.

Make-ahead tips

  • Bake ahead: The sponge can be baked in advance and iced once fully cooled.
  • Freeze un-iced slices: For the best texture, freeze the cake without buttercream where possible, then thaw at room temperature.
  • Serve from chilled: After refrigeration, allow the cake to sit at room temperature before serving so the buttercream is softer and easier to eat.

Equipment you'll need

Ingredients

Cake

Vanilla buttercream

Instructions
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  1. Heat the air fryer to 160°C (320°F). Grease and line a 18 cm cake tin that fits your air fryer basket.
  2. Beat the softened butter and caster sugar until pale and fluffy. Beat in the eggs one at a time, then mix in the vanilla extract.
  3. Whisk together the plain flour, baking powder and salt. Fold into the bowl in two additions, alternating with the milk, until you have a smooth batter.
  4. Scrape the batter into the tin and level the top. Air fry for 25 to 30 minutes until golden and springy and a skewer comes out clean.
  5. Cool the cake in the tin for 10 minutes, then turn out and cool completely on a rack. Do not ice it until fully cool.
  6. Make the buttercream by beating the butter until very smooth, then gradually beating in the icing sugar. Beat in the vanilla extract, milk and a pinch of salt until light and spreadable.
  7. Spread the buttercream over the cooled cake in a thick, even layer. Slice and serve.

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Recipe notes

Tips

  • If the cake browns too quickly, reduce the air fryer to 150°C (300°F) for the final 10 minutes and continue until a skewer comes out clean.
  • For the smoothest buttercream, sift the icing sugar before beating it in and keep mixing until it looks lighter in colour.
  • Food safety: if serving to pregnant people, young children, older adults, or anyone immunocompromised, use eggs that are produced under a food safety standard suitable for raw or lightly cooked preparations.

Substitutions

  • Replace Vanilla extract with vanilla bean paste for a stronger vanilla flavour.
  • Replace Whole milk with evaporated milk for a slightly richer crumb.

Storage

  • Refrigerate up to 3 days
  • Store in an airtight container. Chill for up to 3 days; bring to room temperature for 30 minutes before serving. Freeze sliced cake (preferably un-iced) for up to 2 months and thaw at room temperature.

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Air Fryer Vanilla Cake
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Recipe overview

  • Servings: 8 servings
  • Total time: 55min (20min active)
  • Difficulty: Easy
  • Cuisine: American
  • Allergens:
    Eggs Gluten Milk Wheat
Beginner friendly Freezer friendly Kid friendly

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